Related Clues:

• Ditz
• Be inconsistent
• Recurring craze?
• Up-and-down
• It may ''rock the cradle''
• Toy that might go 'around the world'
• Toy that goes around the world
• Up-and-down, as dieting
• ''Walking the dog'' need
• Toy with ups and downs
• Rock-the-baby toy
• ''Walk the dog'' toy
• Space cadet
• Cellist __ Ma
• Sleeper, at times